Glossary
GL-4
Control Unit
Made up of a PARTNER ACS processor module and, optionally, a 2-Slot or a 5-Slot molded plastic
carrier to hold additional system modules. The 5-Slot carrier also has a cover. The control unit con-
nects lines coming into your building to the extensions in your system, and also provides system
features.
D
DGC Group
See
Group Call Distribution and Hunt Group.
Direct Extension Dial—Release 2.0 or later
An optional feature that enables outside callers to dial an extension or Hunt Group directly, without
waiting for the receptionist to transfer the call.
See
Automatic System Answer.
See
also
Automatic
System Answer/Direct Extension Dial PC Card.
Doorphone
A Lucent Technologies proprietary phone that can be wall mounted outside your office or in a lobby
to allow visitors to alert any number of system extensions by pressing a button. The doorphone
includes a speaker and microphone, to allow two-way conversation between the doorphone and
the phone that answers.
Do Not Disturb
A feature that prevents incoming calls from ringing at an extension.
See also
Send All Calls.
E
Extension
An endpoint in the system that connects telephones or standard devices, which can be dialed
using the
i button.
See also
Programming Extension.
Extension Jack
The location on a PARTNER ACS processor module, 206 modules, and 308EC modules that
allows you to connect extension wiring to the control unit for phones (or other telecommunications
devices).
Extension Number
The number assigned to each extension jack on a PARTNER ACS processor module or a 206
module. Extension numbers are used for intercom calling.
Extension Name Display
A feature that lets users assign a name to their extension. The name appears along with the exten-
sion number on system display phones when users make an intercom call or a group call, or trans-
fer a call.
Extension Programming
A method of telephone programming that lets users program their own extensions from their sys-
tem phones.
See also
Centralized Telephone Programming.
External Hotline
A standard phone that is programmed to dial a predetermined outside number when a user lifts the
handset.
See also
Hotline Phone.
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